'JL 



Biological 

 & IMfJdicai 



LA WES AGRICULTURAL TRUST 



Rothamsted Experimental Station 

 Harpenden 



REPORT 1915-17 



with the 



Supplement 



to the 



"Guide to the Experimental Plots" 



containing 



The Yields per Acre, etc. 



NOV 1 1 !9i8 



fesRAt^'i^ 



<A 



HARPENDEN 



Printed by D. J. Jeffery, Vaughan Road 



1018 



